Pith Number

pith:ZXGCGIQT

pith:2005:ZXGCGIQTRJS75LZEKA7CMRHMAE

not attested not anchored not stored refs pending

A near-infrared and optical photometric study of the Sculptor dwarf spheroidal galaxy: implications for the metallicity spread

C. Babusiaux, G. Gilmore, M. Irwin

arxiv:astro-ph/0502510 v1 · 2005-02-24 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXGCGIQTRJS75LZEKA7CMRHMAE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:40:25.778482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdcc2322138a65feaf24503e2644ec0124ed3b0d5d9aeb178b19eb1b73fc78a3

Aliases

arxiv: astro-ph/0502510 · arxiv_version: astro-ph/0502510v1 · doi: 10.48550/arxiv.astro-ph/0502510 · pith_short_12: ZXGCGIQTRJS7 · pith_short_16: ZXGCGIQTRJS75LZE · pith_short_8: ZXGCGIQT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZXGCGIQTRJS75LZEKA7CMRHMAE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: cdcc2322138a65feaf24503e2644ec0124ed3b0d5d9aeb178b19eb1b73fc78a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "694c0425834d9fe6561a4c0ee4cb5a8de09b7acc78ce8f06f8e5fcecb04c3b74",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-24T15:00:40Z",
    "title_canon_sha256": "32ba61451296bf9cd7e63d37bc4d7b468b8da93a9283890478c723edeb566b19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502510",
    "kind": "arxiv",
    "version": 1
  }
}